38 WEEKS PREGNANT

Coordination is refined, including a strong grasp reflex

Baby this week: about 49 cm — head to heel · about 3.1 kg

49 cm — about the size of a stalk of swiss chard

Illustration enlarged for clarity — the amber marker shows true relative size · head-down, ready position

Your baby this week

  • The brain and nervous system continue fine-tuning right up until birth
  • Fat continues to accumulate, smoothing out the skin further
  • Fingernails may already extend past the fingertips
  • This week is still within the 'early term' window, which runs through 38 weeks

Your body this week

  • Many people feel a mix of anticipation and impatience as the due date nears
  • Losing the mucus plug or noticing increased vaginal discharge can happen in the days or weeks before labor

This week's tip: Review the signs of labor with your provider so you know what to watch for and when to call.

Want the bigger picture — organ development, nutrition, scans and warning signs for this stage? See month 9: The waiting month.

Sizes and milestones are typical ranges — every pregnancy runs on its own clock. Educational content; your prenatal care team's guidance always comes first.